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From gatorsmile <>
Subject [GitHub] spark pull request #19064: [SPARK-21848][SQL] Add trait UDFType to identify ...
Date Mon, 28 Aug 2017 05:57:39 GMT
Github user gatorsmile commented on a diff in the pull request:
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/ScalaUDF.scala
    @@ -22,6 +22,9 @@ import org.apache.spark.sql.catalyst.{CatalystTypeConverters, InternalRow}
     import org.apache.spark.sql.catalyst.expressions.codegen._
     import org.apache.spark.sql.types.DataType
    +// Trait for identifying user-defined functions.
    --- End diff --
     * Common base trait for user-defined functions, including ScalaUDF, ScalaUDAF, PythonUDF,

     * HiveSimpleUDF, HiveGenericUDF, and HiveUDAFFunction.

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